Articles Vol. 66 No. CĐ16-HNKH Bệnh viện Nhi Đồng 2 02/10/2025

36. ANORECTAL FUNCTIONAL ASSESSMENT IN CHILDREN WITH REFRACTORY CONSTIPATION: A CROSS-SECTIONAL STUDY AT CHILDREN'S HOSPITAL 2, HO CHI MINH CITY

Kim Lam Thien1, Viet Tran Quoc2, Na Tran Thi Mi2, Duc Ngo Bui Tu3, Binh Luu Thanh2, Chi Nguyen Thi Kim2, Linh Truong Nguyen Uy3, Linh Nguyen Thi Truc3, Khoa Tran Dang2, Ngoc Nguyen Minh2
1 Bệnh viện Đa khoa Tâm Anh
2 Bệnh viện Nhi Đồng 2
3 Đại học Y Dược Thành phố Hồ Chí Minh
Corresponding author: thienkimy04@gmail.com
DOI: 10.52163/yhc.v66iCD16.3348
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Abstract

Objectives: This study aims to identify the clinical and functional anorectal characteristics of children with refractory constipation using anorectal manometry and to assess symptom improvement potential based on functional anorectal profiles.

Method: A cross-sectional study was conducted on 45 pediatric patients with refractory constipation symptoms, using parental retrospective interviews and data reviews, at the Anorectal Manometry Unit, Children's Hospital 2, Ho Chi Minh City.

Results: Fecal incontinence was present in 47.8% of pediatric patients with constipation symptoms. Following intensive therapy, 65.2% exhibited symptomatic improvement. The study revealed significant differences in resting anal pressure and cough pressure among fecal incontinence status groups.

Conclusion: Our study results suggest that the primary mechanism of refractory constipation is functional outlet obstruction disorder. Anorectal manometry proves valuable in explaining the pathophysiology of fecal incontinence in children with refractory constipation.

Keywords
Són phân, tiêu bón kháng trị, đo áp lực hậu môn trực tràng.
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